Home / 12,865,471.68-17,754,351-7,064,253.45

Finding the Fourth Proportional to 12,865,471.68, 17,754,351 and 7,064,253.45

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Solution

The fourth proportional to 12,865,471.68, 17,754,351 and 7,064,253.45 is: 9,748,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865,471.68 : 17,754,351 = 7,064,253.45 : x
  2. Step 2: Convert to fraction form
    12,865,471.68/17,754,351 = 7,064,253.45/x
  3. Step 3: Cross multiply
    12,865,471.68x = 17,754,351 × 7,064,253.45
  4. Step 4: Simplify right side
    12,865,471.68x = 125,421,235,304,260.95
  5. Step 5: Solve for x
    x = 125,421,235,304,260.95/12,865,471.68
  6. Step 6: Final answer
    x = 9,748,669.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.